The Rock Hall's a great place. I saw David Crosby's first liver.
Sun Studios is also a trip; Elvis' microphone and such. There was a young band recording there the day I went in. I thought, how great to keep it vibrant like that. And those lucky guys ... ;-)
I'd love to go back when there's a Beatles special display, it was U2 and Floyd's "The Wall" when I was there. Sounds like it would be interesting, but it wasn't, really.
I'd also recommend the British Museum for some handwritten lyrics. In that setting, it gives you a sense of their importance. As I recall, it's not far from the Rosetta Stone.
I haven't been to Liddypol since ... '88? I'd love to see Beatles Story. I think I saw it's precursor. Just walking on Penny Lane and talking to a young girl living at Strawberry Fields made my whole trip there. And the Jac ...
Best, walrus